AMBER Archive (2009)
Subject: Re: [AMBER] only ff94 and ff99 for GBSA?
From: FyD (fyd_at_q4md-forcefieldtools.org)
> Amber ff99SB field still has the same partial scheme from Amber99,
charges of ff99SB (Hornak et al.) are these from ff99 (Amber99, Wang
charges of ff03 are derive using a different approach to ff94.
Consequently, you have two different FF for proteins in the Amber 10